EP1092813B1 - Grille métallique pour couvrir des canaux de collection d'eau - Google Patents

Grille métallique pour couvrir des canaux de collection d'eau Download PDF

Info

Publication number
EP1092813B1
EP1092813B1 EP00830662A EP00830662A EP1092813B1 EP 1092813 B1 EP1092813 B1 EP 1092813B1 EP 00830662 A EP00830662 A EP 00830662A EP 00830662 A EP00830662 A EP 00830662A EP 1092813 B1 EP1092813 B1 EP 1092813B1
Authority
EP
European Patent Office
Prior art keywords
partitions
transversal
groove
grate
longitudinal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00830662A
Other languages
German (de)
English (en)
Other versions
EP1092813A3 (fr
EP1092813B8 (fr
EP1092813A2 (fr
Inventor
Franco Papa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MUFLE SpA
Original Assignee
Gimani Di Papa F & C SNC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gimani Di Papa F & C SNC filed Critical Gimani Di Papa F & C SNC
Publication of EP1092813A2 publication Critical patent/EP1092813A2/fr
Publication of EP1092813A3 publication Critical patent/EP1092813A3/fr
Application granted granted Critical
Publication of EP1092813B1 publication Critical patent/EP1092813B1/fr
Publication of EP1092813B8 publication Critical patent/EP1092813B8/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06—Gully gratings

Definitions

  • the present patent application relates to a new model of metallic grate for covering the underground channels used to collect and convey water, according to the preamble of claim 1.
  • Channels are usually made of moulded plastic or concrete and protected with metallic grates that are capable of supporting heavy loads in order to allow for the safe crossing of people or vehicles, such as those described in WO 96/05 381 A and DE 198 10 358 A.
  • Metallic grates are made with an opposed pair of identical longitudinal elements, represented by two box metal sections. Regularly spaced transversal partitions are soldered between the two sections, with a regular series of notches on their upper edge used to insert the longitudinal partitions to create the grate mesh through the intersection with the transversal partitions.
  • the ends of the transversal partitions are exactly housed in the section of the box longitudinal elements, usually with a "C-shaped or "L-shaped" section.
  • Each partition is permanently fixed by means of soldering points astride its upper edge and the upper edge of the box elements.
  • soldering also involves additional problems, such as controlling and reducing the thermal deformations caused by the high temperatures of plates during soldering and galvanising.
  • the purpose of the present invention is to realise a new model of metallic grate for covering the street channels used to collect and convey water, characterised first of all by a high resistance of the transversal partitions to torsional stress that would tend to cause rotation around their longitudinal axis.
  • This first object has been achieved thanks to the special structure of the longitudinal elements that are provided with a regularly spaced series of vertical notches designed to embrace and laterally support the ends of the transversal partitions.
  • a further object of the present invention is to realise a new model of metallic grate for covering the street channels used to collect and convey water, characterised by cheap production costs thanks to the use of mechanical retention means to fix the transversal partitions to the longitudinal elements.
  • the model of grate according to the present invention comprises a series of transversal partitions contained between a pair of longitudinal elements, said elements being made with a "C-shaped" metal section, whose vertical wall features a longitudinal groove with its convex side facing the inside of the C-shaped section and provided with multiple through vertical notches in which the ends of the transversal partitions are inserted edgewise, thus protruding from the concave side of the longitudinal groove.
  • the partitions are provided with retention means to fix the former to the longitudinal elements.
  • a central hole is located near the ends of the transversal partitions. This hole is positioned in the longitudinal groove once the transversal partitions have been completely inserted inside the notches of the longitudinal groove.
  • An iron rod can be inserted through the aligned holes to remove the partitions from the longitudinal elements.
  • a semi-sheared tab is located near the ends of the transversal partitions. This tab is positioned in the centre of the longitudinal groove once the transversal partitions have been completely inserted inside the notches of the longitudinal groove.
  • the semi-sheared tabs can be folded laterally, thus assuming an orthogonal position with respect to the transversal partitions, to remove the partitions from the longitudinal elements.
  • the model of grate according to the present invention traditionally comprises a series of transversal partitions (1) contained between a pair of longitudinal elements (2), each of them made with C-shaped metal section, the upper wing (2a) being narrower than the lower wing (2b).
  • the metal section (2) is characterised by the presence on its vertical wall (2c) of a longitudinal groove (3) with its convex side facing the inside of the C-shaped section and provided with multiple through vertical notches (4) in which the ends (1a) of the transversal partitions (1) can be inserted edgewise, thus protruding from the concave side of the groove, as shown in fig. 1.
  • the groove (3) has a V-shaped section, but it could also have a U-shaped or semicircular section.
  • a central hole (5) is present at the end (1a) of the transversal partitions (1).
  • the hole (5) is positioned in the centre of the groove (3) once the transversal partitions (1) have been completely inserted inside the notches (4) of the groove, as shown in fig. 1.
  • Fig. 1 also shows how an iron rod (6) can be inserted inside the aligned holes (5) to attach the partitions (1) to the longitudinal elements (2).
  • a semi-sheared tab (7) is present at the end (1a) of the transversal partitions (1) (see fig. 4A).
  • the tab (7) is positioned in the centre of the groove (3) once the transversal partitions (1) have been completely inserted inside the notches (4) of the groove.
  • Fig. 4B shows how the semi-sheared tabs (7) can be folded laterally thus becoming orthogonal with respect to the transversal partitions, to attach the partitions (1) to the longitudinal elements (2).
  • both the insertion of the iron rod (6) through the holes (5) and the folding of the tabs (7) can be performed automatically with low cost by means of inexpensive tools applied on the same machines used to assemble the partitions (1) to the longitudinal elements (2).
  • Number (8) indicates the notches located on the upper edge of the transversal partitions (1) used to insert the longitudinal partitions (9).

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)
  • Baking, Grill, Roasting (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Filtering Materials (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Bathtub Accessories (AREA)
  • Belt Conveyors (AREA)
  • Lift Valve (AREA)
  • Water Treatment By Sorption (AREA)
  • Insulated Conductors (AREA)
  • Catching Or Destruction (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Claims (6)

  1. Grille métallique pour couvrir les canalisations de récolte et d'écoulement de l'eau, comprenant une série de séparations transversales (1) interposées entre une paire de barres longitudinales (2) réalisées dans un profil métallique de forme rectangulaire, ayant une section en forme de "C", caractérisée en ce qu'elle utilise un profil métallique (2) qui présente sur sa paroi verticale (2c) une rainure longitudinale (3) dont le côté convexe est tourné vers l'intérieur de la section en forme de "C" et incisé par une pluralité d'entailles passantes verticales (4) dans lesquelles peuvent être enfilées de chant les extrémités (1a) des séparations transversales (1) qui, à leur tour, présentent des moyens de fixation pour l'accrochage des séparations (1) aux barres (2).
  2. Grille selon la revendication précédente, caractérisée en ce que les dits moyens de fixation consistent en des trous (5) où enfiler un rond de fer (6).
  3. Grille selon la revendication 1, caractérisée en ce que les dits moyens de fixation consistent en des languettes semi découpées (7), aptes à être pliées pour assumer une disposition orthogonale par rapport à la séparation (1).
  4. Grille selon les revendications précédentes, caractérisée en ce que la dite rainure (3) présente une section en forme de "V".
  5. Grille selon les revendications de 1 à 3, caractérisée en ce que la dite rainure (3) présente une section en forme de "U".
  6. Grille selon les revendications de 1 à 3, caractérisée en ce que la dite rainure (3) présente une section en forme de demi-cercle.
EP00830662A 1999-10-14 2000-10-11 Grille métallique pour couvrir des canaux de collection d'eau Expired - Lifetime EP1092813B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITAN990037U 1999-10-14
IT1999AN000037U IT248950Y1 (it) 1999-10-14 1999-10-14 Griglia metallica di copertura per canalette di raccolta e diconvogliamento dell'acqua.

Publications (4)

Publication Number Publication Date
EP1092813A2 EP1092813A2 (fr) 2001-04-18
EP1092813A3 EP1092813A3 (fr) 2003-01-08
EP1092813B1 true EP1092813B1 (fr) 2006-02-22
EP1092813B8 EP1092813B8 (fr) 2006-05-17

Family

ID=11334345

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00830662A Expired - Lifetime EP1092813B8 (fr) 1999-10-14 2000-10-11 Grille métallique pour couvrir des canaux de collection d'eau

Country Status (5)

Country Link
EP (1) EP1092813B8 (fr)
AT (1) ATE318346T1 (fr)
DE (1) DE60026134T2 (fr)
ES (1) ES2258964T3 (fr)
IT (1) IT248950Y1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014101320A1 (de) * 2014-02-04 2015-08-06 ACO Severin Ahlmann GmbH & Co Kommanditgesellschaft Entwässerungsabdeckung
DE102020000419B4 (de) 2020-01-24 2022-03-10 Sven Ifland Installation zum Sammeln und Ableiten von Abwasser oder Regenwasser

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2173752A1 (fr) * 1994-08-09 1996-02-22 Lannie L. Stegall Ensemble couverture de tranchee et procede de construction
DE19810358A1 (de) * 1998-03-10 1999-09-16 Friedrich Wolfarth Befestigungssystem für einen Gitterrost

Also Published As

Publication number Publication date
IT248950Y1 (it) 2003-03-06
EP1092813A3 (fr) 2003-01-08
EP1092813B8 (fr) 2006-05-17
DE60026134T2 (de) 2006-11-16
ATE318346T1 (de) 2006-03-15
EP1092813A2 (fr) 2001-04-18
ITAN990037U1 (it) 2001-04-14
ES2258964T3 (es) 2006-09-16
DE60026134D1 (de) 2006-04-27
ITAN990037V0 (it) 1999-10-14

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